There are three small wooden sticks 9 cm long, 15 cm and 20 cm long, cut into 12 sections to build a

Updated on culture 2024-04-13
12 answers
  1. Anonymous users2024-02-07

    Cut a stick 9 cm long into 3 sticks of 3 cm each, and cut a stick 15 cm long into 5 sticks, each 3 cm long. Cut a 20 cm long stick into 4 sticks, each 5 cm. The volume of the box is: 3 3 5 = 45 (cubic centimeters).

    Cut a stick 9 cm long into 3 sticks of 3 cm each, cut a stick 15 cm long into 1 stick of 3 cm and 3 roots of 4 cm, and cut a stick of 20 cm long into 5 sticks of 4 cm each. The volume of the box is: 3 4 4 = 48 (cubic centimeters).

    Cut a stick 9 cm long into 3 sticks of 3 cm each, and cut a stick 15 cm long into 3 sticks, each 5 cm long. Cut a stick 20 cm long into 1 5 cm and 5 3 cm. The volume of the box is: 3 3 5 = 45 (cubic centimeters).

    Cut a stick 9 cm long into 1 6 cm and 1 3 cm, and cut a 15 cm long stick into 2 6 cm and 1 3 cm. Cut one 20 cm long into 1 6 cm, 2 3 cm, and 4 2 cm. The volume of the box is:

    6 3 2 = 36 (cubic centimeters).

    Don't want to think about it anymore.

  2. Anonymous users2024-02-06

    Summary. Type 1: 1 cm, 7 cm, 7 cm.

    Type 2: 2 cm. 6 cm, 7 cm.

    Type 3: 3 cm. 5 cm, 7 cm.

    Type 4: 3 cm. 6 cm, 6 cm.

    Type 5: 4 cm, 4 cm, 7 cm.

    Type 6: 4 cm. 5 cm. 6 cm.

    Type 7: 5 cm, 5 cm, 5 cm.

    Cut a 15 cm wooden stick into three sections, each section is a whole centimeter long, and you can put together three small sticks when they are long.

    Hello, what is the problem behind, you can take a picture of me.

    Hello, what is the problem behind, you can take a picture of me.

    The problem is to put together several triangles.

    There are seven types in total.

    Type 1: 1 cm, 7 cm, 7 cm Type 2: 2 cm.

    6 centimeters of fiber burned rice, 7 cm Type 3: 3 cm. 5 cm, 7 cm Type 4:

    3 cm. 6 cm, 6 cm 5th type: 4 cm, 4 cm, 7 cm 6th segment potato:

    4 cm. 5 cm. 6 cm Type 7:

    5 cm, 5 cm, 5 cm.

    I solved the first problem, and the second problem has not been solved.

    I solved the first problem, and the second problem has not been solved.

    Okay, do you want to write it all out?

    8, can not meet the sum of any two sides of the trousers is greater than the third Lu Jane Jane side, so can not spell out the hall triangle.

  3. Anonymous users2024-02-05

    Cutting 3 sections is to cut down Qi 2 knives (which is not clear, I don't know how to try it myself), then 4 sections are added.

    The cross-sectional area of a Li Ran is 20 4=5

    So the volume is 5 1=5

  4. Anonymous users2024-02-04

    The greatest common divisor of 12 cm, 44 cm, 56 cm is 4 cm, and each small stick is up to 4 cm.

    A total of 28 sections were planted.

  5. Anonymous users2024-02-03

    dora518026: Hello.

    The greatest common divisor of the three numbers is: 4

    Therefore, the length of the small stick, the longest is 4 cm.

    A total of interception: (12 + 44 + 56) cm 4 cm 112 4 28 (paragraph) Answer: The small stick is 4 cm long, and a total of 28 sections can be intercepted.

    Good luck and goodbye.

  6. Anonymous users2024-02-02

    Find the greatest common factor of 12,44,56 and the longest is 4 cm.

  7. Anonymous users2024-02-01

    1 m = 100 cm, 20 4 100, = 5 100, = 500 (cubic cm); Answer: The volume of this stick is 500 cubic centimeters, so the answer is: 500

  8. Anonymous users2024-01-31

    Summary. Please complete the question.

    1There are 9 sticks each 3 cm long, and you need to use them to make a 3 cm side length on the tabletop.

    Please complete the question.

    Sorry, please click on the ** to take a look.

    Three is right, the answer is three.

    Because a triangle has 3 sides, there are 9 in total, 9 3 = 3

  9. Anonymous users2024-01-30

    According to the title, it is known that the two sides of the triangle are a=15 cm and b=9 cm, and the question should be how much is the shortest third side c, so according to the principle of b+c>a, c>a-b is c>15-9=6, that is to say, the third stick is greater than 6 cm.

  10. Anonymous users2024-01-29

    There are four ways to grow the three sides of a triangle formed by these small sticks:

    Because the sum of the two sides of the triangle is greater than the third side, the difference between the two sides is less than the third side, and the sum of the two sides in the second case is less than the third side cannot form a triangle, so only three different triangles can be formed.

  11. Anonymous users2024-01-28

    The sum of the two sides of the triangle is greater than the third side. So it can be:

    Three possibilities.

  12. Anonymous users2024-01-27

    The maximum common divisor of nuclear rent is 6

    The length of each kernel segment is 6 decimeters.

    12 6=2 segments 18 6=3 segments 24 6=4 segments.

    2 + 3 + 4 = 9 sections of wheel digging.

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